SOLUTION: I'm trying to solve for x when the equation is 7 to the x power=1 over 49 i think it has something to do with zero exponents.

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Question 10780: I'm trying to solve for x when the equation is 7 to the x power=1 over 49
i think it has something to do with zero exponents.
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
7%5Ex+=+1%2F49

First realize that 7%5E2+=+49 and that a negative exponent gives you a fraction whose numerator is 1.

This means that if you raise 7 to the negative 2 power (i.e.,7%5E-2+ you get 1%2F%287%5E2%29 or 1%2F49.

Therefore x = -2.

R^2 at SCC